江苏省盐都县地处全国啤酒原料的主要产区之一──长江中下游冬大麦区的腹部，目前已发展成为我国啤酒大麦的主要产地，常年种植啤麦30万亩以上。啤酒大麦每亩可容纳的有效穗数比较多。穗部着粒密度较稀，小穗（花）结实性较稳定，每穗粒数少，增粒增产潜力小，籽粒灌浆期长， Yandu County, Jiangsu Province, is located in one of the main producing areas of the national beer raw materials ─ ─ the middle and lower reaches of the Yangtze River barley region of the abdomen, has now become China’s major source of barley beer, perennial planting of more than 300,000 acres of beer. Beer barley per acre can accommodate the effective number of spikes more. Spike grain density is more sparse, spikelets (flowers) more stable seed set, fewer grains per spike, increased grain yield potential, long grain filling period,